apps/s_server.c

   1 /* apps/s_server.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111 /* ====================================================================
 112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 113  * ECC cipher suite support in OpenSSL originally developed by
 114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 115  */
 116 /* ====================================================================
 117  * Copyright 2005 Nokia. All rights reserved.
 118  *
 119  * The portions of the attached software ("Contribution") is developed by
 120  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 121  * license.
 122  *
 123  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 124  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 125  * support (see RFC 4279) to OpenSSL.
 126  *
 127  * No patent licenses or other rights except those expressly stated in
 128  * the OpenSSL open source license shall be deemed granted or received
 129  * expressly, by implication, estoppel, or otherwise.
 130  *
 131  * No assurances are provided by Nokia that the Contribution does not
 132  * infringe the patent or other intellectual property rights of any third
 133  * party or that the license provides you with all the necessary rights
 134  * to make use of the Contribution.
 135  *
 136  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 137  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 138  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 139  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 140  * OTHERWISE.
 141  */
 142
 143 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
 144  * deprecated functions for openssl-internal code */
 145 #ifdef OPENSSL_NO_DEPRECATED
 146 #undef OPENSSL_NO_DEPRECATED
 147 #endif
 148
 149 #include <assert.h>
 150 #include <ctype.h>
 151 #include <stdio.h>
 152 #include <stdlib.h>
 153 #include <string.h>
 154
 155 #include <openssl/e_os2.h>
 156 #ifdef OPENSSL_NO_STDIO
 157 #define APPS_WIN16
 158 #endif
 159
 160 #if !defined(OPENSSL_SYS_NETWARE)  /* conflicts with winsock2 stuff on netware */
 161 #include <sys/types.h>
 162 #endif
 163
 164 /* With IPv6, it looks like Digital has mixed up the proper order of
 165    recursive header file inclusion, resulting in the compiler complaining
 166    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
 167    is needed to have fileno() declared correctly...  So let's define u_int */
 168 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 169 #define __U_INT
 170 typedef unsigned int u_int;
 171 #endif
 172
 173 #include <openssl/lhash.h>
 174 #include <openssl/bn.h>
 175 #define USE_SOCKETS
 176 #include "apps.h"
 177 #include <openssl/err.h>
 178 #include <openssl/pem.h>
 179 #include <openssl/x509.h>
 180 #include <openssl/ssl.h>
 181 #include <openssl/rand.h>
 182 #include <openssl/ocsp.h>
 183 #ifndef OPENSSL_NO_DH
 184 #include <openssl/dh.h>
 185 #endif
 186 #ifndef OPENSSL_NO_RSA
 187 #include <openssl/rsa.h>
 188 #endif
 189 #ifndef OPENSSL_NO_SRP
 190 #include <openssl/srp.h>
 191 #endif
 192 #include "s_apps.h"
 193 #include "timeouts.h"
 194
 195 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 196 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 197 #undef FIONBIO
 198 #endif
 199
 200 #if defined(OPENSSL_SYS_BEOS_R5)
 201 #include <fcntl.h>
 202 #endif
 203
 204 #ifndef OPENSSL_NO_RSA
 205 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
 206 #endif
 207 static int sv_body(char *hostname, int s, unsigned char *context);
 208 static int www_body(char *hostname, int s, unsigned char *context);
 209 static void close_accept_socket(void );
 210 static void sv_usage(void);
 211 static int init_ssl_connection(SSL *s);
 212 static void print_stats(BIO *bp,SSL_CTX *ctx);
 213 static int generate_session_id(const SSL *ssl, unsigned char *id,
 214                                 unsigned int *id_len);
 215 #ifndef OPENSSL_NO_DH
 216 static DH *load_dh_param(const char *dhfile);
 217 static DH *get_dh512(void);
 218 #endif
 219
 220 #ifdef MONOLITH
 221 static void s_server_init(void);
 222 #endif
 223
 224 #ifndef OPENSSL_NO_DH
 225 static unsigned char dh512_p[]={
 226         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 227         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 228         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 229         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 230         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 231         0x47,0x74,0xE8,0x33,
 232         };
 233 static unsigned char dh512_g[]={
 234         0x02,
 235         };
 236
 237 static DH *get_dh512(void)
 238         {
 239         DH *dh=NULL;
 240
 241         if ((dh=DH_new()) == NULL) return(NULL);
 242         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 243         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 244         if ((dh->p == NULL) || (dh->g == NULL))
 245                 return(NULL);
 246         return(dh);
 247         }
 248 #endif
 249
 250
 251 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 252
 253 #undef BUFSIZZ
 254 #define BUFSIZZ 16*1024
 255 static int bufsize=BUFSIZZ;
 256 static int accept_socket= -1;
 257
 258 #define TEST_CERT       "server.pem"
 259 #ifndef OPENSSL_NO_TLSEXT
 260 #define TEST_CERT2      "server2.pem"
 261 #endif
 262 #undef PROG
 263 #define PROG            s_server_main
 264
 265 extern int verify_depth, verify_return_error;
 266
 267 static char *cipher=NULL;
 268 static int s_server_verify=SSL_VERIFY_NONE;
 269 static int s_server_session_id_context = 1; /* anything will do */
 270 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
 271 #ifndef OPENSSL_NO_TLSEXT
 272 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 273 static char *curves=NULL;
 274 static char *sigalgs=NULL;
 275 static char *client_sigalgs=NULL;
 276 #endif
 277 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
 278 #ifdef FIONBIO
 279 static int s_nbio=0;
 280 #endif
 281 static int s_nbio_test=0;
 282 int s_crlf=0;
 283 static SSL_CTX *ctx=NULL;
 284 #ifndef OPENSSL_NO_TLSEXT
 285 static SSL_CTX *ctx2=NULL;
 286 #endif
 287 static int www=0;
 288
 289 static BIO *bio_s_out=NULL;
 290 static int s_debug=0;
 291 #ifndef OPENSSL_NO_TLSEXT
 292 static int s_tlsextdebug=0;
 293 static int s_tlsextstatus=0;
 294 static int cert_status_cb(SSL *s, void *arg);
 295 #endif
 296 static int s_msg=0;
 297 static int s_quiet=0;
 298
 299 static char *keymatexportlabel=NULL;
 300 static int keymatexportlen=20;
 301
 302 static int hack=0;
 303 #ifndef OPENSSL_NO_ENGINE
 304 static char *engine_id=NULL;
 305 #endif
 306 static const char *session_id_prefix=NULL;
 307
 308 static int enable_timeouts = 0;
 309 static long socket_mtu;
 310 #ifndef OPENSSL_NO_DTLS1
 311 static int cert_chain = 0;
 312 #endif
 313
 314 #ifndef OPENSSL_NO_TLSEXT
 315 static BIO *authz_in = NULL;
 316 static const char *s_authz_file = NULL;
 317 #endif
 318
 319 #ifndef OPENSSL_NO_PSK
 320 static char *psk_identity="Client_identity";
 321 char *psk_key=NULL; /* by default PSK is not used */
 322
 323 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 324         unsigned char *psk, unsigned int max_psk_len)
 325         {
 326         unsigned int psk_len = 0;
 327         int ret;
 328         BIGNUM *bn = NULL;
 329
 330         if (s_debug)
 331                 BIO_printf(bio_s_out,"psk_server_cb\n");
 332         if (!identity)
 333                 {
 334                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 335                 goto out_err;
 336                 }
 337         if (s_debug)
 338                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 339                         identity ? (int)strlen(identity) : 0, identity);
 340
 341         /* here we could lookup the given identity e.g. from a database */
 342         if (strcmp(identity, psk_identity) != 0)
 343                 {
 344                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 345                            " (got '%s' expected '%s')\n", identity,
 346                            psk_identity);
 347                 goto out_err;
 348                 }
 349         if (s_debug)
 350                 BIO_printf(bio_s_out, "PSK client identity found\n");
 351
 352         /* convert the PSK key to binary */
 353         ret = BN_hex2bn(&bn, psk_key);
 354         if (!ret)
 355                 {
 356                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 357                 if (bn)
 358                         BN_free(bn);
 359                 return 0;
 360                 }
 361         if (BN_num_bytes(bn) > (int)max_psk_len)
 362                 {
 363                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 364                         max_psk_len, BN_num_bytes(bn));
 365                 BN_free(bn);
 366                 return 0;
 367                 }
 368
 369         ret = BN_bn2bin(bn, psk);
 370         BN_free(bn);
 371
 372         if (ret < 0)
 373                 goto out_err;
 374         psk_len = (unsigned int)ret;
 375
 376         if (s_debug)
 377                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 378         return psk_len;
 379  out_err:
 380         if (s_debug)
 381                 BIO_printf(bio_err, "Error in PSK server callback\n");
 382         return 0;
 383         }
 384 #endif
 385
 386 #ifndef OPENSSL_NO_SRP
 387 /* This is a context that we pass to callbacks */
 388 typedef struct srpsrvparm_st
 389         {
 390         char *login;
 391         SRP_VBASE *vb;
 392         SRP_user_pwd *user;
 393         } srpsrvparm;
 394
 395 /* This callback pretends to require some asynchronous logic in order to obtain
 396    a verifier. When the callback is called for a new connection we return
 397    with a negative value. This will provoke the accept etc to return with
 398    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 399    (which would normally occur after a worker has finished) and we
 400    set the user parameters.
 401 */
 402 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 403         {
 404         srpsrvparm *p = (srpsrvparm *)arg;
 405         if (p->login == NULL && p->user == NULL )
 406                 {
 407                 p->login = SSL_get_srp_username(s);
 408                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 409                 return (-1) ;
 410                 }
 411
 412         if (p->user == NULL)
 413                 {
 414                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 415                 return SSL3_AL_FATAL;
 416                 }
 417         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 418                                      p->user->info) < 0)
 419                 {
 420                 *ad = SSL_AD_INTERNAL_ERROR;
 421                 return SSL3_AL_FATAL;
 422                 }
 423         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 424         /* need to check whether there are memory leaks */
 425         p->user = NULL;
 426         p->login = NULL;
 427         return SSL_ERROR_NONE;
 428         }
 429
 430 #endif
 431
 432 #ifdef MONOLITH
 433 static void s_server_init(void)
 434         {
 435         accept_socket=-1;
 436         cipher=NULL;
 437         s_server_verify=SSL_VERIFY_NONE;
 438         s_dcert_file=NULL;
 439         s_dkey_file=NULL;
 440         s_dchain_file=NULL;
 441         s_cert_file=TEST_CERT;
 442         s_key_file=NULL;
 443         s_chain_file=NULL;
 444 #ifndef OPENSSL_NO_TLSEXT
 445         curves=NULL;
 446         s_cert_file2=TEST_CERT2;
 447         s_key_file2=NULL;
 448         ctx2=NULL;
 449 #endif
 450 #ifdef FIONBIO
 451         s_nbio=0;
 452 #endif
 453         s_nbio_test=0;
 454         ctx=NULL;
 455         www=0;
 456
 457         bio_s_out=NULL;
 458         s_debug=0;
 459         s_msg=0;
 460         s_quiet=0;
 461         hack=0;
 462 #ifndef OPENSSL_NO_ENGINE
 463         engine_id=NULL;
 464 #endif
 465         }
 466 #endif
 467
 468 static void sv_usage(void)
 469         {
 470         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 471         BIO_printf(bio_err,"\n");
 472         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 473         BIO_printf(bio_err," -context arg  - set session ID context\n");
 474         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 475         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 476         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 477         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 478         BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
 479         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 480                            "                 The CRL(s) are appended to the certificate file\n");
 481         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 482                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 483                            "                 the certificate file.\n");
 484         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 485         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 486         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 487         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 488         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 489         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 490         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 491         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 492         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 493         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 494         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 495         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 496 #ifndef OPENSSL_NO_ECDH
 497         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 498                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 499                            "                 (default is nistp256).\n");
 500 #endif
 501 #ifdef FIONBIO
 502         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 503 #endif
 504         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 505         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 506         BIO_printf(bio_err," -debug        - Print more output\n");
 507         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 508         BIO_printf(bio_err," -state        - Print the SSL states\n");
 509         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 510         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 511         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 512         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 513         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 514         BIO_printf(bio_err," -quiet        - No server output\n");
 515         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 516 #ifndef OPENSSL_NO_PSK
 517         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 518         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 519 # ifndef OPENSSL_NO_JPAKE
 520         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 521 # endif
 522 #endif
 523 #ifndef OPENSSL_NO_SRP
 524         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 525         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 526 #endif
 527         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 528         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 529         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 530         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 531         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 532         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 533         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 534         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 535         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 536         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 537         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 538         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 539         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 540         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 541 #ifndef OPENSSL_NO_DH
 542         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 543 #endif
 544 #ifndef OPENSSL_NO_ECDH
 545         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 546 #endif
 547         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 548         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 549         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 550         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 551         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 552 #ifndef OPENSSL_NO_ENGINE
 553         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 554 #endif
 555         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 556         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 557 #ifndef OPENSSL_NO_TLSEXT
 558         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 559         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 560         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 561         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 562         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 563         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 564         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 565         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 566         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 567 # ifndef OPENSSL_NO_NEXTPROTONEG
 568         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 569 # endif
 570         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 571 #endif
 572         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 573         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 574         }
 575
 576 static int local_argc=0;
 577 static char **local_argv;
 578
 579 #ifdef CHARSET_EBCDIC
 580 static int ebcdic_new(BIO *bi);
 581 static int ebcdic_free(BIO *a);
 582 static int ebcdic_read(BIO *b, char *out, int outl);
 583 static int ebcdic_write(BIO *b, const char *in, int inl);
 584 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 585 static int ebcdic_gets(BIO *bp, char *buf, int size);
 586 static int ebcdic_puts(BIO *bp, const char *str);
 587
 588 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 589 static BIO_METHOD methods_ebcdic=
 590         {
 591         BIO_TYPE_EBCDIC_FILTER,
 592         "EBCDIC/ASCII filter",
 593         ebcdic_write,
 594         ebcdic_read,
 595         ebcdic_puts,
 596         ebcdic_gets,
 597         ebcdic_ctrl,
 598         ebcdic_new,
 599         ebcdic_free,
 600         };
 601
 602 typedef struct
 603 {
 604         size_t  alloced;
 605         char    buff[1];
 606 } EBCDIC_OUTBUFF;
 607
 608 BIO_METHOD *BIO_f_ebcdic_filter()
 609 {
 610         return(&methods_ebcdic);
 611 }
 612
 613 static int ebcdic_new(BIO *bi)
 614 {
 615         EBCDIC_OUTBUFF *wbuf;
 616
 617         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 618         wbuf->alloced = 1024;
 619         wbuf->buff[0] = '\0';
 620
 621         bi->ptr=(char *)wbuf;
 622         bi->init=1;
 623         bi->flags=0;
 624         return(1);
 625 }
 626
 627 static int ebcdic_free(BIO *a)
 628 {
 629         if (a == NULL) return(0);
 630         if (a->ptr != NULL)
 631                 OPENSSL_free(a->ptr);
 632         a->ptr=NULL;
 633         a->init=0;
 634         a->flags=0;
 635         return(1);
 636 }
 637
 638 static int ebcdic_read(BIO *b, char *out, int outl)
 639 {
 640         int ret=0;
 641
 642         if (out == NULL || outl == 0) return(0);
 643         if (b->next_bio == NULL) return(0);
 644
 645         ret=BIO_read(b->next_bio,out,outl);
 646         if (ret > 0)
 647                 ascii2ebcdic(out,out,ret);
 648         return(ret);
 649 }
 650
 651 static int ebcdic_write(BIO *b, const char *in, int inl)
 652 {
 653         EBCDIC_OUTBUFF *wbuf;
 654         int ret=0;
 655         int num;
 656         unsigned char n;
 657
 658         if ((in == NULL) || (inl <= 0)) return(0);
 659         if (b->next_bio == NULL) return(0);
 660
 661         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 662
 663         if (inl > (num = wbuf->alloced))
 664         {
 665                 num = num + num;  /* double the size */
 666                 if (num < inl)
 667                         num = inl;
 668                 OPENSSL_free(wbuf);
 669                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 670
 671                 wbuf->alloced = num;
 672                 wbuf->buff[0] = '\0';
 673
 674                 b->ptr=(char *)wbuf;
 675         }
 676
 677         ebcdic2ascii(wbuf->buff, in, inl);
 678
 679         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 680
 681         return(ret);
 682 }
 683
 684 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 685 {
 686         long ret;
 687
 688         if (b->next_bio == NULL) return(0);
 689         switch (cmd)
 690         {
 691         case BIO_CTRL_DUP:
 692                 ret=0L;
 693                 break;
 694         default:
 695                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 696                 break;
 697         }
 698         return(ret);
 699 }
 700
 701 static int ebcdic_gets(BIO *bp, char *buf, int size)
 702 {
 703         int i, ret=0;
 704         if (bp->next_bio == NULL) return(0);
 705 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 706         for (i=0; i<size-1; ++i)
 707         {
 708                 ret = ebcdic_read(bp,&buf[i],1);
 709                 if (ret <= 0)
 710                         break;
 711                 else if (buf[i] == '\n')
 712                 {
 713                         ++i;
 714                         break;
 715                 }
 716         }
 717         if (i < size)
 718                 buf[i] = '\0';
 719         return (ret < 0 && i == 0) ? ret : i;
 720 }
 721
 722 static int ebcdic_puts(BIO *bp, const char *str)
 723 {
 724         if (bp->next_bio == NULL) return(0);
 725         return ebcdic_write(bp, str, strlen(str));
 726 }
 727 #endif
 728
 729 #ifndef OPENSSL_NO_TLSEXT
 730
 731 /* This is a context that we pass to callbacks */
 732 typedef struct tlsextctx_st {
 733    char * servername;
 734    BIO * biodebug;
 735    int extension_error;
 736 } tlsextctx;
 737
 738
 739 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 740         {
 741         tlsextctx * p = (tlsextctx *) arg;
 742         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 743         if (servername && p->biodebug)
 744                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 745
 746         if (!p->servername)
 747                 return SSL_TLSEXT_ERR_NOACK;
 748
 749         if (servername)
 750                 {
 751                 if (strcmp(servername,p->servername))
 752                         return p->extension_error;
 753                 if (ctx2)
 754                         {
 755                         BIO_printf(p->biodebug,"Switching server context.\n");
 756                         SSL_set_SSL_CTX(s,ctx2);
 757                         }
 758                 }
 759         return SSL_TLSEXT_ERR_OK;
 760 }
 761
 762 /* Structure passed to cert status callback */
 763
 764 typedef struct tlsextstatusctx_st {
 765    /* Default responder to use */
 766    char *host, *path, *port;
 767    int use_ssl;
 768    int timeout;
 769    BIO *err;
 770    int verbose;
 771 } tlsextstatusctx;
 772
 773 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 774
 775 /* Certificate Status callback. This is called when a client includes a
 776  * certificate status request extension.
 777  *
 778  * This is a simplified version. It examines certificates each time and
 779  * makes one OCSP responder query for each request.
 780  *
 781  * A full version would store details such as the OCSP certificate IDs and
 782  * minimise the number of OCSP responses by caching them until they were
 783  * considered "expired".
 784  */
 785
 786 static int cert_status_cb(SSL *s, void *arg)
 787         {
 788         tlsextstatusctx *srctx = arg;
 789         BIO *err = srctx->err;
 790         char *host, *port, *path;
 791         int use_ssl;
 792         unsigned char *rspder = NULL;
 793         int rspderlen;
 794         STACK_OF(OPENSSL_STRING) *aia = NULL;
 795         X509 *x = NULL;
 796         X509_STORE_CTX inctx;
 797         X509_OBJECT obj;
 798         OCSP_REQUEST *req = NULL;
 799         OCSP_RESPONSE *resp = NULL;
 800         OCSP_CERTID *id = NULL;
 801         STACK_OF(X509_EXTENSION) *exts;
 802         int ret = SSL_TLSEXT_ERR_NOACK;
 803         int i;
 804 #if 0
 805 STACK_OF(OCSP_RESPID) *ids;
 806 SSL_get_tlsext_status_ids(s, &ids);
 807 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 808 #endif
 809         if (srctx->verbose)
 810                 BIO_puts(err, "cert_status: callback called\n");
 811         /* Build up OCSP query from server certificate */
 812         x = SSL_get_certificate(s);
 813         aia = X509_get1_ocsp(x);
 814         if (aia)
 815                 {
 816                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 817                         &host, &port, &path, &use_ssl))
 818                         {
 819                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 820                         goto err;
 821                         }
 822                 if (srctx->verbose)
 823                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 824                                         sk_OPENSSL_STRING_value(aia, 0));
 825                 }
 826         else
 827                 {
 828                 if (!srctx->host)
 829                         {
 830                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 831                         goto done;
 832                         }
 833                 host = srctx->host;
 834                 path = srctx->path;
 835                 port = srctx->port;
 836                 use_ssl = srctx->use_ssl;
 837                 }
 838
 839         if (!X509_STORE_CTX_init(&inctx,
 840                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 841                                 NULL, NULL))
 842                 goto err;
 843         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 844                                 X509_get_issuer_name(x),&obj) <= 0)
 845                 {
 846                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 847                 X509_STORE_CTX_cleanup(&inctx);
 848                 goto done;
 849                 }
 850         req = OCSP_REQUEST_new();
 851         if (!req)
 852                 goto err;
 853         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 854         X509_free(obj.data.x509);
 855         X509_STORE_CTX_cleanup(&inctx);
 856         if (!id)
 857                 goto err;
 858         if (!OCSP_request_add0_id(req, id))
 859                 goto err;
 860         id = NULL;
 861         /* Add any extensions to the request */
 862         SSL_get_tlsext_status_exts(s, &exts);
 863         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 864                 {
 865                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 866                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 867                         goto err;
 868                 }
 869         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 870                                         srctx->timeout);
 871         if (!resp)
 872                 {
 873                 BIO_puts(err, "cert_status: error querying responder\n");
 874                 goto done;
 875                 }
 876         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 877         if (rspderlen <= 0)
 878                 goto err;
 879         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 880         if (srctx->verbose)
 881                 {
 882                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 883                 OCSP_RESPONSE_print(err, resp, 2);
 884                 }
 885         ret = SSL_TLSEXT_ERR_OK;
 886         done:
 887         if (ret != SSL_TLSEXT_ERR_OK)
 888                 ERR_print_errors(err);
 889         if (aia)
 890                 {
 891                 OPENSSL_free(host);
 892                 OPENSSL_free(path);
 893                 OPENSSL_free(port);
 894                 X509_email_free(aia);
 895                 }
 896         if (id)
 897                 OCSP_CERTID_free(id);
 898         if (req)
 899                 OCSP_REQUEST_free(req);
 900         if (resp)
 901                 OCSP_RESPONSE_free(resp);
 902         return ret;
 903         err:
 904         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 905         goto done;
 906         }
 907
 908 # ifndef OPENSSL_NO_NEXTPROTONEG
 909 /* This is the context that we pass to next_proto_cb */
 910 typedef struct tlsextnextprotoctx_st {
 911         unsigned char *data;
 912         unsigned int len;
 913 } tlsextnextprotoctx;
 914
 915 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 916         {
 917         tlsextnextprotoctx *next_proto = arg;
 918
 919         *data = next_proto->data;
 920         *len = next_proto->len;
 921
 922         return SSL_TLSEXT_ERR_OK;
 923         }
 924 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 925
 926
 927 #endif
 928
 929 int MAIN(int, char **);
 930
 931 #ifndef OPENSSL_NO_JPAKE
 932 static char *jpake_secret = NULL;
 933 #endif
 934 #ifndef OPENSSL_NO_SRP
 935         static srpsrvparm srp_callback_parm;
 936 #endif
 937 static char *srtp_profiles = NULL;
 938
 939 int MAIN(int argc, char *argv[])
 940         {
 941         X509_VERIFY_PARAM *vpm = NULL;
 942         int badarg = 0;
 943         short port=PORT;
 944         char *CApath=NULL,*CAfile=NULL;
 945         unsigned char *context = NULL;
 946         char *dhfile = NULL;
 947 #ifndef OPENSSL_NO_ECDH
 948         char *named_curve = NULL;
 949 #endif
 950         int badop=0,bugs=0;
 951         int ret=1;
 952         int off=0;
 953         unsigned int cert_flags = 0;
 954         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 955         int state=0;
 956         const SSL_METHOD *meth=NULL;
 957         int socket_type=SOCK_STREAM;
 958         ENGINE *e=NULL;
 959         char *inrand=NULL;
 960         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 961         char *passarg = NULL, *pass = NULL;
 962         char *dpassarg = NULL, *dpass = NULL;
 963         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 964         X509 *s_cert = NULL, *s_dcert = NULL;
 965         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
 966         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 967         int no_cache = 0;
 968 #ifndef OPENSSL_NO_TLSEXT
 969         EVP_PKEY *s_key2 = NULL;
 970         X509 *s_cert2 = NULL;
 971         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 972 # ifndef OPENSSL_NO_NEXTPROTONEG
 973         const char *next_proto_neg_in = NULL;
 974         tlsextnextprotoctx next_proto;
 975 # endif
 976 #endif
 977 #ifndef OPENSSL_NO_PSK
 978         /* by default do not send a PSK identity hint */
 979         static char *psk_identity_hint=NULL;
 980 #endif
 981 #ifndef OPENSSL_NO_SRP
 982         char *srpuserseed = NULL;
 983         char *srp_verifier_file = NULL;
 984 #endif
 985         SSL_EXCERT *exc = NULL;
 986         meth=SSLv23_server_method();
 987
 988         local_argc=argc;
 989         local_argv=argv;
 990
 991         apps_startup();
 992 #ifdef MONOLITH
 993         s_server_init();
 994 #endif
 995
 996         if (bio_err == NULL)
 997                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 998
 999         if (!load_config(bio_err, NULL))
1000                 goto end;
1001
1002         verify_depth=0;
1003 #ifdef FIONBIO
1004         s_nbio=0;
1005 #endif
1006         s_nbio_test=0;
1007
1008         argc--;
1009         argv++;
1010
1011         while (argc >= 1)
1012                 {
1013                 if      ((strcmp(*argv,"-port") == 0) ||
1014                          (strcmp(*argv,"-accept") == 0))
1015                         {
1016                         if (--argc < 1) goto bad;
1017                         if (!extract_port(*(++argv),&port))
1018                                 goto bad;
1019                         }
1020                 else if (strcmp(*argv,"-verify") == 0)
1021                         {
1022                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1023                         if (--argc < 1) goto bad;
1024                         verify_depth=atoi(*(++argv));
1025                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1026                         }
1027                 else if (strcmp(*argv,"-Verify") == 0)
1028                         {
1029                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1030                                 SSL_VERIFY_CLIENT_ONCE;
1031                         if (--argc < 1) goto bad;
1032                         verify_depth=atoi(*(++argv));
1033                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1034                         }
1035                 else if (strcmp(*argv,"-context") == 0)
1036                         {
1037                         if (--argc < 1) goto bad;
1038                         context= (unsigned char *)*(++argv);
1039                         }
1040                 else if (strcmp(*argv,"-cert") == 0)
1041                         {
1042                         if (--argc < 1) goto bad;
1043                         s_cert_file= *(++argv);
1044                         }
1045 #ifndef OPENSSL_NO_TLSEXT
1046                 else if (strcmp(*argv,"-authz") == 0)
1047                         {
1048                         if (--argc < 1) goto bad;
1049                         s_authz_file = *(++argv);
1050                         }
1051 #endif
1052                 else if (strcmp(*argv,"-certform") == 0)
1053                         {
1054                         if (--argc < 1) goto bad;
1055                         s_cert_format = str2fmt(*(++argv));
1056                         }
1057                 else if (strcmp(*argv,"-key") == 0)
1058                         {
1059                         if (--argc < 1) goto bad;
1060                         s_key_file= *(++argv);
1061                         }
1062                 else if (strcmp(*argv,"-keyform") == 0)
1063                         {
1064                         if (--argc < 1) goto bad;
1065                         s_key_format = str2fmt(*(++argv));
1066                         }
1067                 else if (strcmp(*argv,"-pass") == 0)
1068                         {
1069                         if (--argc < 1) goto bad;
1070                         passarg = *(++argv);
1071                         }
1072                 else if (strcmp(*argv,"-cert_chain") == 0)
1073                         {
1074                         if (--argc < 1) goto bad;
1075                         s_chain_file= *(++argv);
1076                         }
1077                 else if (strcmp(*argv,"-dhparam") == 0)
1078                         {
1079                         if (--argc < 1) goto bad;
1080                         dhfile = *(++argv);
1081                         }
1082 #ifndef OPENSSL_NO_ECDH
1083                 else if (strcmp(*argv,"-named_curve") == 0)
1084                         {
1085                         if (--argc < 1) goto bad;
1086                         named_curve = *(++argv);
1087                         }
1088 #endif
1089                 else if (strcmp(*argv,"-dcertform") == 0)
1090                         {
1091                         if (--argc < 1) goto bad;
1092                         s_dcert_format = str2fmt(*(++argv));
1093                         }
1094                 else if (strcmp(*argv,"-dcert") == 0)
1095                         {
1096                         if (--argc < 1) goto bad;
1097                         s_dcert_file= *(++argv);
1098                         }
1099                 else if (strcmp(*argv,"-dkeyform") == 0)
1100                         {
1101                         if (--argc < 1) goto bad;
1102                         s_dkey_format = str2fmt(*(++argv));
1103                         }
1104                 else if (strcmp(*argv,"-dpass") == 0)
1105                         {
1106                         if (--argc < 1) goto bad;
1107                         dpassarg = *(++argv);
1108                         }
1109                 else if (strcmp(*argv,"-dkey") == 0)
1110                         {
1111                         if (--argc < 1) goto bad;
1112                         s_dkey_file= *(++argv);
1113                         }
1114                 else if (strcmp(*argv,"-dcert_chain") == 0)
1115                         {
1116                         if (--argc < 1) goto bad;
1117                         s_dchain_file= *(++argv);
1118                         }
1119                 else if (strcmp(*argv,"-nocert") == 0)
1120                         {
1121                         nocert=1;
1122                         }
1123                 else if (strcmp(*argv,"-CApath") == 0)
1124                         {
1125                         if (--argc < 1) goto bad;
1126                         CApath= *(++argv);
1127                         }
1128                 else if (strcmp(*argv,"-no_cache") == 0)
1129                         no_cache = 1;
1130                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1131                         {
1132                         if (badarg)
1133                                 goto bad;
1134                         continue;
1135                         }
1136                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1137                         {
1138                         if (badarg)
1139                                 goto bad;
1140                         continue;
1141                         }
1142                 else if (strcmp(*argv,"-verify_return_error") == 0)
1143                         verify_return_error = 1;
1144                 else if (strcmp(*argv,"-serverpref") == 0)
1145                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1146                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1147                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1148                 else if (strcmp(*argv,"-cipher") == 0)
1149                         {
1150                         if (--argc < 1) goto bad;
1151                         cipher= *(++argv);
1152                         }
1153                 else if (strcmp(*argv,"-CAfile") == 0)
1154                         {
1155                         if (--argc < 1) goto bad;
1156                         CAfile= *(++argv);
1157                         }
1158 #ifdef FIONBIO
1159                 else if (strcmp(*argv,"-nbio") == 0)
1160                         { s_nbio=1; }
1161 #endif
1162                 else if (strcmp(*argv,"-nbio_test") == 0)
1163                         {
1164 #ifdef FIONBIO
1165                         s_nbio=1;
1166 #endif
1167                         s_nbio_test=1;
1168                         }
1169                 else if (strcmp(*argv,"-debug") == 0)
1170                         { s_debug=1; }
1171 #ifndef OPENSSL_NO_TLSEXT
1172                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1173                         s_tlsextdebug=1;
1174                 else if (strcmp(*argv,"-status") == 0)
1175                         s_tlsextstatus=1;
1176                 else if (strcmp(*argv,"-status_verbose") == 0)
1177                         {
1178                         s_tlsextstatus=1;
1179                         tlscstatp.verbose = 1;
1180                         }
1181                 else if (!strcmp(*argv, "-status_timeout"))
1182                         {
1183                         s_tlsextstatus=1;
1184                         if (--argc < 1) goto bad;
1185                         tlscstatp.timeout = atoi(*(++argv));
1186                         }
1187                 else if (!strcmp(*argv, "-status_url"))
1188                         {
1189                         s_tlsextstatus=1;
1190                         if (--argc < 1) goto bad;
1191                         if (!OCSP_parse_url(*(++argv),
1192                                         &tlscstatp.host,
1193                                         &tlscstatp.port,
1194                                         &tlscstatp.path,
1195                                         &tlscstatp.use_ssl))
1196                                 {
1197                                 BIO_printf(bio_err, "Error parsing URL\n");
1198                                 goto bad;
1199                                 }
1200                         }
1201                 else if (strcmp(*argv,"-curves") == 0)
1202                         {
1203                         if (--argc < 1) goto bad;
1204                         curves= *(++argv);
1205                         }
1206                 else if (strcmp(*argv,"-sigalgs") == 0)
1207                         {
1208                         if (--argc < 1) goto bad;
1209                         sigalgs= *(++argv);
1210                         }
1211                 else if (strcmp(*argv,"-client_sigalgs") == 0)
1212                         {
1213                         if (--argc < 1) goto bad;
1214                         client_sigalgs= *(++argv);
1215                         }
1216 #endif
1217                 else if (strcmp(*argv,"-msg") == 0)
1218                         { s_msg=1; }
1219                 else if (strcmp(*argv,"-hack") == 0)
1220                         { hack=1; }
1221                 else if (strcmp(*argv,"-state") == 0)
1222                         { state=1; }
1223                 else if (strcmp(*argv,"-crlf") == 0)
1224                         { s_crlf=1; }
1225                 else if (strcmp(*argv,"-quiet") == 0)
1226                         { s_quiet=1; }
1227                 else if (strcmp(*argv,"-bugs") == 0)
1228                         { bugs=1; }
1229                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1230                         { no_tmp_rsa=1; }
1231                 else if (strcmp(*argv,"-no_dhe") == 0)
1232                         { no_dhe=1; }
1233                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1234                         { no_ecdhe=1; }
1235 #ifndef OPENSSL_NO_PSK
1236                 else if (strcmp(*argv,"-psk_hint") == 0)
1237                         {
1238                         if (--argc < 1) goto bad;
1239                         psk_identity_hint= *(++argv);
1240                         }
1241                 else if (strcmp(*argv,"-psk") == 0)
1242                         {
1243                         size_t i;
1244
1245                         if (--argc < 1) goto bad;
1246                         psk_key=*(++argv);
1247                         for (i=0; i<strlen(psk_key); i++)
1248                                 {
1249                                 if (isxdigit((unsigned char)psk_key[i]))
1250                                         continue;
1251                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1252                                 goto bad;
1253                                 }
1254                         }
1255 #endif
1256 #ifndef OPENSSL_NO_SRP
1257                 else if (strcmp(*argv, "-srpvfile") == 0)
1258                         {
1259                         if (--argc < 1) goto bad;
1260                         srp_verifier_file = *(++argv);
1261                         meth = TLSv1_server_method();
1262                         }
1263                 else if (strcmp(*argv, "-srpuserseed") == 0)
1264                         {
1265                         if (--argc < 1) goto bad;
1266                         srpuserseed = *(++argv);
1267                         meth = TLSv1_server_method();
1268                         }
1269 #endif
1270                 else if (strcmp(*argv,"-www") == 0)
1271                         { www=1; }
1272                 else if (strcmp(*argv,"-WWW") == 0)
1273                         { www=2; }
1274                 else if (strcmp(*argv,"-HTTP") == 0)
1275                         { www=3; }
1276                 else if (strcmp(*argv,"-no_ssl2") == 0)
1277                         { off|=SSL_OP_NO_SSLv2; }
1278                 else if (strcmp(*argv,"-no_ssl3") == 0)
1279                         { off|=SSL_OP_NO_SSLv3; }
1280                 else if (strcmp(*argv,"-no_tls1") == 0)
1281                         { off|=SSL_OP_NO_TLSv1; }
1282                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1283                         { off|=SSL_OP_NO_TLSv1_1; }
1284                 else if (strcmp(*argv,"-no_tls1_2") == 0)
1285                         { off|=SSL_OP_NO_TLSv1_2; }
1286                 else if (strcmp(*argv,"-no_comp") == 0)
1287                         { off|=SSL_OP_NO_COMPRESSION; }
1288 #ifndef OPENSSL_NO_TLSEXT
1289                 else if (strcmp(*argv,"-no_ticket") == 0)
1290                         { off|=SSL_OP_NO_TICKET; }
1291 #endif
1292 #ifndef OPENSSL_NO_SSL2
1293                 else if (strcmp(*argv,"-ssl2") == 0)
1294                         { meth=SSLv2_server_method(); }
1295 #endif
1296 #ifndef OPENSSL_NO_SSL3
1297                 else if (strcmp(*argv,"-ssl3") == 0)
1298                         { meth=SSLv3_server_method(); }
1299 #endif
1300 #ifndef OPENSSL_NO_TLS1
1301                 else if (strcmp(*argv,"-tls1") == 0)
1302                         { meth=TLSv1_server_method(); }
1303                 else if (strcmp(*argv,"-tls1_1") == 0)
1304                         { meth=TLSv1_1_server_method(); }
1305                 else if (strcmp(*argv,"-tls1_2") == 0)
1306                         { meth=TLSv1_2_server_method(); }
1307 #endif
1308 #ifndef OPENSSL_NO_DTLS1
1309                 else if (strcmp(*argv,"-dtls1") == 0)
1310                         {
1311                         meth=DTLSv1_server_method();
1312                         socket_type = SOCK_DGRAM;
1313                         }
1314                 else if (strcmp(*argv,"-timeout") == 0)
1315                         enable_timeouts = 1;
1316                 else if (strcmp(*argv,"-mtu") == 0)
1317                         {
1318                         if (--argc < 1) goto bad;
1319                         socket_mtu = atol(*(++argv));
1320                         }
1321                 else if (strcmp(*argv, "-chain") == 0)
1322                         cert_chain = 1;
1323 #endif
1324                 else if (strcmp(*argv, "-id_prefix") == 0)
1325                         {
1326                         if (--argc < 1) goto bad;
1327                         session_id_prefix = *(++argv);
1328                         }
1329 #ifndef OPENSSL_NO_ENGINE
1330                 else if (strcmp(*argv,"-engine") == 0)
1331                         {
1332                         if (--argc < 1) goto bad;
1333                         engine_id= *(++argv);
1334                         }
1335 #endif
1336                 else if (strcmp(*argv,"-rand") == 0)
1337                         {
1338                         if (--argc < 1) goto bad;
1339                         inrand= *(++argv);
1340                         }
1341 #ifndef OPENSSL_NO_TLSEXT
1342                 else if (strcmp(*argv,"-servername") == 0)
1343                         {
1344                         if (--argc < 1) goto bad;
1345                         tlsextcbp.servername= *(++argv);
1346                         }
1347                 else if (strcmp(*argv,"-servername_fatal") == 0)
1348                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1349                 else if (strcmp(*argv,"-cert2") == 0)
1350                         {
1351                         if (--argc < 1) goto bad;
1352                         s_cert_file2= *(++argv);
1353                         }
1354                 else if (strcmp(*argv,"-key2") == 0)
1355                         {
1356                         if (--argc < 1) goto bad;
1357                         s_key_file2= *(++argv);
1358                         }
1359 # ifndef OPENSSL_NO_NEXTPROTONEG
1360                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1361                         {
1362                         if (--argc < 1) goto bad;
1363                         next_proto_neg_in = *(++argv);
1364                         }
1365 # endif
1366 #endif
1367 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1368                 else if (strcmp(*argv,"-jpake") == 0)
1369                         {
1370                         if (--argc < 1) goto bad;
1371                         jpake_secret = *(++argv);
1372                         }
1373 #endif
1374                 else if (strcmp(*argv,"-use_srtp") == 0)
1375                         {
1376                         if (--argc < 1) goto bad;
1377                         srtp_profiles = *(++argv);
1378                         }
1379                 else if (strcmp(*argv,"-keymatexport") == 0)
1380                         {
1381                         if (--argc < 1) goto bad;
1382                         keymatexportlabel= *(++argv);
1383                         }
1384                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1385                         {
1386                         if (--argc < 1) goto bad;
1387                         keymatexportlen=atoi(*(++argv));
1388                         if (keymatexportlen == 0) goto bad;
1389                         }
1390                 else if (strcmp(*argv, "-cert_strict") == 0)
1391                         cert_flags |= SSL_CERT_FLAG_TLS_STRICT;
1392                 else
1393                         {
1394                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1395                         badop=1;
1396                         break;
1397                         }
1398                 argc--;
1399                 argv++;
1400                 }
1401         if (badop)
1402                 {
1403 bad:
1404                 sv_usage();
1405                 goto end;
1406                 }
1407
1408 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1409         if (jpake_secret)
1410                 {
1411                 if (psk_key)
1412                         {
1413                         BIO_printf(bio_err,
1414                                    "Can't use JPAKE and PSK together\n");
1415                         goto end;
1416                         }
1417                 psk_identity = "JPAKE";
1418                 if (cipher)
1419                         {
1420                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1421                         goto end;
1422                         }
1423                 cipher = "PSK";
1424                 }
1425
1426 #endif
1427
1428         SSL_load_error_strings();
1429         OpenSSL_add_ssl_algorithms();
1430
1431 #ifndef OPENSSL_NO_ENGINE
1432         e = setup_engine(bio_err, engine_id, 1);
1433 #endif
1434
1435         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1436                 {
1437                 BIO_printf(bio_err, "Error getting password\n");
1438                 goto end;
1439                 }
1440
1441
1442         if (s_key_file == NULL)
1443                 s_key_file = s_cert_file;
1444 #ifndef OPENSSL_NO_TLSEXT
1445         if (s_key_file2 == NULL)
1446                 s_key_file2 = s_cert_file2;
1447 #endif
1448
1449         if (!load_excert(&exc, bio_err))
1450                 goto end;
1451
1452         if (nocert == 0)
1453                 {
1454                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1455                        "server certificate private key file");
1456                 if (!s_key)
1457                         {
1458                         ERR_print_errors(bio_err);
1459                         goto end;
1460                         }
1461
1462                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1463                         NULL, e, "server certificate file");
1464
1465                 if (!s_cert)
1466                         {
1467                         ERR_print_errors(bio_err);
1468                         goto end;
1469                         }
1470                 if (s_chain_file)
1471                         {
1472                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1473                                         NULL, e, "server certificate chain");
1474                         if (!s_chain)
1475                                 goto end;
1476                         }
1477
1478 #ifndef OPENSSL_NO_TLSEXT
1479                 if (tlsextcbp.servername)
1480                         {
1481                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1482                                 "second server certificate private key file");
1483                         if (!s_key2)
1484                                 {
1485                                 ERR_print_errors(bio_err);
1486                                 goto end;
1487                                 }
1488
1489                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1490                                 NULL, e, "second server certificate file");
1491
1492                         if (!s_cert2)
1493                                 {
1494                                 ERR_print_errors(bio_err);
1495                                 goto end;
1496                                 }
1497                         }
1498 #endif /* OPENSSL_NO_TLSEXT */
1499                 }
1500
1501 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1502         if (next_proto_neg_in)
1503                 {
1504                 unsigned short len;
1505                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1506                 if (next_proto.data == NULL)
1507                         goto end;
1508                 next_proto.len = len;
1509                 }
1510         else
1511                 {
1512                 next_proto.data = NULL;
1513                 }
1514 #endif
1515
1516
1517         if (s_dcert_file)
1518                 {
1519
1520                 if (s_dkey_file == NULL)
1521                         s_dkey_file = s_dcert_file;
1522
1523                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1524                                 0, dpass, e,
1525                                "second certificate private key file");
1526                 if (!s_dkey)
1527                         {
1528                         ERR_print_errors(bio_err);
1529                         goto end;
1530                         }
1531
1532                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1533                                 NULL, e, "second server certificate file");
1534
1535                 if (!s_dcert)
1536                         {
1537                         ERR_print_errors(bio_err);
1538                         goto end;
1539                         }
1540                 if (s_dchain_file)
1541                         {
1542                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1543                                 NULL, e, "second server certificate chain");
1544                         if (!s_dchain)
1545                                 goto end;
1546                         }
1547
1548                 }
1549
1550         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1551                 && !RAND_status())
1552                 {
1553                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1554                 }
1555         if (inrand != NULL)
1556                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1557                         app_RAND_load_files(inrand));
1558
1559         if (bio_s_out == NULL)
1560                 {
1561                 if (s_quiet && !s_debug && !s_msg)
1562                         {
1563                         bio_s_out=BIO_new(BIO_s_null());
1564                         }
1565                 else
1566                         {
1567                         if (bio_s_out == NULL)
1568                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1569                         }
1570                 }
1571
1572 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1573         if (nocert)
1574 #endif
1575                 {
1576                 s_cert_file=NULL;
1577                 s_key_file=NULL;
1578                 s_dcert_file=NULL;
1579                 s_dkey_file=NULL;
1580 #ifndef OPENSSL_NO_TLSEXT
1581                 s_cert_file2=NULL;
1582                 s_key_file2=NULL;
1583 #endif
1584                 }
1585
1586         ctx=SSL_CTX_new(meth);
1587         if (ctx == NULL)
1588                 {
1589                 ERR_print_errors(bio_err);
1590                 goto end;
1591                 }
1592         if (session_id_prefix)
1593                 {
1594                 if(strlen(session_id_prefix) >= 32)
1595                         BIO_printf(bio_err,
1596 "warning: id_prefix is too long, only one new session will be possible\n");
1597                 else if(strlen(session_id_prefix) >= 16)
1598                         BIO_printf(bio_err,
1599 "warning: id_prefix is too long if you use SSLv2\n");
1600                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1601                         {
1602                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1603                         ERR_print_errors(bio_err);
1604                         goto end;
1605                         }
1606                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1607                 }
1608         SSL_CTX_set_quiet_shutdown(ctx,1);
1609         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1610         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1611         SSL_CTX_set_options(ctx,off);
1612         if (cert_flags) SSL_CTX_set_cert_flags(ctx, cert_flags);
1613         if (exc) ssl_ctx_set_excert(ctx, exc);
1614         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1615          * Setting read ahead solves this problem.
1616          */
1617         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1618
1619         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1620         if (no_cache)
1621                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1622         else
1623                 SSL_CTX_sess_set_cache_size(ctx,128);
1624
1625         if (srtp_profiles != NULL)
1626                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1627
1628 #if 0
1629         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1630 #endif
1631
1632 #if 0
1633         if (s_cert_file == NULL)
1634                 {
1635                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1636                 goto end;
1637                 }
1638 #endif
1639
1640         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1641                 (!SSL_CTX_set_default_verify_paths(ctx)))
1642                 {
1643                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1644                 ERR_print_errors(bio_err);
1645                 /* goto end; */
1646                 }
1647         if (vpm)
1648                 SSL_CTX_set1_param(ctx, vpm);
1649
1650 #ifndef OPENSSL_NO_TLSEXT
1651         if (s_cert2)
1652                 {
1653                 ctx2=SSL_CTX_new(meth);
1654                 if (ctx2 == NULL)
1655                         {
1656                         ERR_print_errors(bio_err);
1657                         goto end;
1658                         }
1659                 }
1660
1661         if (ctx2)
1662                 {
1663                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1664
1665                 if (session_id_prefix)
1666                         {
1667                         if(strlen(session_id_prefix) >= 32)
1668                                 BIO_printf(bio_err,
1669                                         "warning: id_prefix is too long, only one new session will be possible\n");
1670                         else if(strlen(session_id_prefix) >= 16)
1671                                 BIO_printf(bio_err,
1672                                         "warning: id_prefix is too long if you use SSLv2\n");
1673                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1674                                 {
1675                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1676                                 ERR_print_errors(bio_err);
1677                                 goto end;
1678                                 }
1679                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1680                         }
1681                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1682                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1683                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1684                 SSL_CTX_set_options(ctx2,off);
1685                 if (cert_flags) SSL_CTX_set_cert_flags(ctx2, cert_flags);
1686                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1687                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1688                  * Setting read ahead solves this problem.
1689                  */
1690                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1691
1692                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1693
1694                 if (no_cache)
1695                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1696                 else
1697                         SSL_CTX_sess_set_cache_size(ctx2,128);
1698
1699                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1700                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1701                         {
1702                         ERR_print_errors(bio_err);
1703                         }
1704                 if (vpm)
1705                         SSL_CTX_set1_param(ctx2, vpm);
1706                 }
1707
1708 # ifndef OPENSSL_NO_NEXTPROTONEG
1709         if (next_proto.data)
1710                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1711 # endif
1712 #endif
1713
1714 #ifndef OPENSSL_NO_DH
1715         if (!no_dhe)
1716                 {
1717                 DH *dh=NULL;
1718
1719                 if (dhfile)
1720                         dh = load_dh_param(dhfile);
1721                 else if (s_cert_file)
1722                         dh = load_dh_param(s_cert_file);
1723
1724                 if (dh != NULL)
1725                         {
1726                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1727                         }
1728                 else
1729                         {
1730                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1731                         dh=get_dh512();
1732                         }
1733                 (void)BIO_flush(bio_s_out);
1734
1735                 SSL_CTX_set_tmp_dh(ctx,dh);
1736 #ifndef OPENSSL_NO_TLSEXT
1737                 if (ctx2)
1738                         {
1739                         if (!dhfile)
1740                                 {
1741                                 DH *dh2=load_dh_param(s_cert_file2);
1742                                 if (dh2 != NULL)
1743                                         {
1744                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1745                                         (void)BIO_flush(bio_s_out);
1746
1747                                         DH_free(dh);
1748                                         dh = dh2;
1749                                         }
1750                                 }
1751                         SSL_CTX_set_tmp_dh(ctx2,dh);
1752                         }
1753 #endif
1754                 DH_free(dh);
1755                 }
1756 #endif
1757
1758 #ifndef OPENSSL_NO_ECDH
1759         if (!no_ecdhe)
1760                 {
1761                 EC_KEY *ecdh=NULL;
1762
1763                 if (named_curve && strcmp(named_curve, "auto"))
1764                         {
1765                         int nid = EC_curve_nist2nid(named_curve);
1766                         if (nid == NID_undef)
1767                                 nid = OBJ_sn2nid(named_curve);
1768                         if (nid == 0)
1769                                 {
1770                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1771                                         named_curve);
1772                                 goto end;
1773                                 }
1774                         ecdh = EC_KEY_new_by_curve_name(nid);
1775                         if (ecdh == NULL)
1776                                 {
1777                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1778                                         named_curve);
1779                                 goto end;
1780                                 }
1781                         }
1782
1783                 if (ecdh != NULL)
1784                         {
1785                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1786                         }
1787                 else if (named_curve)
1788                         SSL_CTX_set_ecdh_auto(ctx, 1);
1789                 else
1790                         {
1791                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1792                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1793                         if (ecdh == NULL)
1794                                 {
1795                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1796                                 goto end;
1797                                 }
1798                         }
1799                 (void)BIO_flush(bio_s_out);
1800
1801                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1802 #ifndef OPENSSL_NO_TLSEXT
1803                 if (ctx2)
1804                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1805 #endif
1806                 EC_KEY_free(ecdh);
1807                 }
1808 #endif
1809
1810         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain))
1811                 goto end;
1812 #ifndef OPENSSL_NO_TLSEXT
1813         if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1814                 goto end;
1815 #endif
1816 #ifndef OPENSSL_NO_TLSEXT
1817         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL))
1818                 goto end;
1819 #endif
1820         if (s_dcert != NULL)
1821                 {
1822                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain))
1823                         goto end;
1824                 }
1825
1826 #ifndef OPENSSL_NO_RSA
1827 #if 1
1828         if (!no_tmp_rsa)
1829                 {
1830                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1831 #ifndef OPENSSL_NO_TLSEXT
1832                 if (ctx2)
1833                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1834 #endif
1835                 }
1836 #else
1837         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1838                 {
1839                 RSA *rsa;
1840
1841                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1842                 BIO_flush(bio_s_out);
1843
1844                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1845
1846                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1847                         {
1848                         ERR_print_errors(bio_err);
1849                         goto end;
1850                         }
1851 #ifndef OPENSSL_NO_TLSEXT
1852                         if (ctx2)
1853                                 {
1854                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1855                                         {
1856                                         ERR_print_errors(bio_err);
1857                                         goto end;
1858                                         }
1859                                 }
1860 #endif
1861                 RSA_free(rsa);
1862                 BIO_printf(bio_s_out,"\n");
1863                 }
1864 #endif
1865 #endif
1866
1867 #ifndef OPENSSL_NO_PSK
1868 #ifdef OPENSSL_NO_JPAKE
1869         if (psk_key != NULL)
1870 #else
1871         if (psk_key != NULL || jpake_secret)
1872 #endif
1873                 {
1874                 if (s_debug)
1875                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1876                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1877                 }
1878
1879         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1880                 {
1881                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1882                 ERR_print_errors(bio_err);
1883                 goto end;
1884                 }
1885 #endif
1886
1887         if (cipher != NULL)
1888                 {
1889                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1890                         {
1891                         BIO_printf(bio_err,"error setting cipher list\n");
1892                         ERR_print_errors(bio_err);
1893                         goto end;
1894                         }
1895 #ifndef OPENSSL_NO_TLSEXT
1896                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1897                         {
1898                         BIO_printf(bio_err,"error setting cipher list\n");
1899                         ERR_print_errors(bio_err);
1900                         goto end;
1901                         }
1902 #endif
1903                 }
1904 #ifndef OPENSSL_NO_TLSEXT
1905         if (curves)
1906                 {
1907                 if(!SSL_CTX_set1_curves_list(ctx,curves))
1908                         {
1909                         BIO_printf(bio_err,"error setting curves list\n");
1910                         ERR_print_errors(bio_err);
1911                         goto end;
1912                         }
1913                 if(ctx2 && !SSL_CTX_set1_curves_list(ctx2,curves))
1914                         {
1915                         BIO_printf(bio_err,"error setting curves list\n");
1916                         ERR_print_errors(bio_err);
1917                         goto end;
1918                         }
1919                 }
1920         if (sigalgs)
1921                 {
1922                 if(!SSL_CTX_set1_sigalgs_list(ctx,sigalgs))
1923                         {
1924                         BIO_printf(bio_err,"error setting signature algorithms\n");
1925                         ERR_print_errors(bio_err);
1926                         goto end;
1927                         }
1928                 if(ctx2 && !SSL_CTX_set1_sigalgs_list(ctx2,sigalgs))
1929                         {
1930                         BIO_printf(bio_err,"error setting signature algorithms\n");
1931                         ERR_print_errors(bio_err);
1932                         goto end;
1933                         }
1934                 }
1935         if (client_sigalgs)
1936                 {
1937                 if(!SSL_CTX_set1_client_sigalgs_list(ctx,client_sigalgs))
1938                         {
1939                         BIO_printf(bio_err,"error setting client signature algorithms\n");
1940                         ERR_print_errors(bio_err);
1941                         goto end;
1942                         }
1943                 if(ctx2 && !SSL_CTX_set1_client_sigalgs_list(ctx2,client_sigalgs))
1944                         {
1945                         BIO_printf(bio_err,"error setting client signature algorithms\n");
1946                         ERR_print_errors(bio_err);
1947                         goto end;
1948                         }
1949                 }
1950 #endif
1951         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1952         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1953                 sizeof s_server_session_id_context);
1954
1955         /* Set DTLS cookie generation and verification callbacks */
1956         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1957         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1958
1959 #ifndef OPENSSL_NO_TLSEXT
1960         if (ctx2)
1961                 {
1962                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1963                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1964                         sizeof s_server_session_id_context);
1965
1966                 tlsextcbp.biodebug = bio_s_out;
1967                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1968                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1969                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1970                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1971                 }
1972 #endif
1973
1974 #ifndef OPENSSL_NO_SRP
1975         if (srp_verifier_file != NULL)
1976                 {
1977                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1978                 srp_callback_parm.user = NULL;
1979                 srp_callback_parm.login = NULL;
1980                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1981                         {
1982                         BIO_printf(bio_err,
1983                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1984                                    srp_verifier_file, ret);
1985                                 goto end;
1986                         }
1987                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1988                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1989                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1990                 }
1991         else
1992 #endif
1993         if (CAfile != NULL)
1994                 {
1995                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1996 #ifndef OPENSSL_NO_TLSEXT
1997                 if (ctx2)
1998                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1999 #endif
2000                 }
2001
2002         BIO_printf(bio_s_out,"ACCEPT\n");
2003         (void)BIO_flush(bio_s_out);
2004         if (www)
2005                 do_server(port,socket_type,&accept_socket,www_body, context);
2006         else
2007                 do_server(port,socket_type,&accept_socket,sv_body, context);
2008         print_stats(bio_s_out,ctx);
2009         ret=0;
2010 end:
2011         if (ctx != NULL) SSL_CTX_free(ctx);
2012         if (s_cert)
2013                 X509_free(s_cert);
2014         if (s_dcert)
2015                 X509_free(s_dcert);
2016         if (s_key)
2017                 EVP_PKEY_free(s_key);
2018         if (s_dkey)
2019                 EVP_PKEY_free(s_dkey);
2020         if (s_chain)
2021                 sk_X509_pop_free(s_chain, X509_free);
2022         if (s_dchain)
2023                 sk_X509_pop_free(s_dchain, X509_free);
2024         if (pass)
2025                 OPENSSL_free(pass);
2026         if (dpass)
2027                 OPENSSL_free(dpass);
2028         if (vpm)
2029                 X509_VERIFY_PARAM_free(vpm);
2030 #ifndef OPENSSL_NO_TLSEXT
2031         if (tlscstatp.host)
2032                 OPENSSL_free(tlscstatp.host);
2033         if (tlscstatp.port)
2034                 OPENSSL_free(tlscstatp.port);
2035         if (tlscstatp.path)
2036                 OPENSSL_free(tlscstatp.path);
2037         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2038         if (s_cert2)
2039                 X509_free(s_cert2);
2040         if (s_key2)
2041                 EVP_PKEY_free(s_key2);
2042         if (authz_in != NULL)
2043                 BIO_free(authz_in);
2044 #endif
2045         ssl_excert_free(exc);
2046         if (bio_s_out != NULL)
2047                 {
2048         BIO_free(bio_s_out);
2049                 bio_s_out=NULL;
2050                 }
2051         apps_shutdown();
2052         OPENSSL_EXIT(ret);
2053         }
2054
2055 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2056         {
2057         BIO_printf(bio,"%4ld items in the session cache\n",
2058                 SSL_CTX_sess_number(ssl_ctx));
2059         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2060                 SSL_CTX_sess_connect(ssl_ctx));
2061         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2062                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2063         BIO_printf(bio,"%4ld client connects that finished\n",
2064                 SSL_CTX_sess_connect_good(ssl_ctx));
2065         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2066                 SSL_CTX_sess_accept(ssl_ctx));
2067         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2068                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2069         BIO_printf(bio,"%4ld server accepts that finished\n",
2070                 SSL_CTX_sess_accept_good(ssl_ctx));
2071         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2072         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2073         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2074         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2075         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2076                 SSL_CTX_sess_cache_full(ssl_ctx),
2077                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2078         }
2079
2080 static int sv_body(char *hostname, int s, unsigned char *context)
2081         {
2082         char *buf=NULL;
2083         fd_set readfds;
2084         int ret=1,width;
2085         int k,i;
2086         unsigned long l;
2087         SSL *con=NULL;
2088         BIO *sbio;
2089 #ifndef OPENSSL_NO_KRB5
2090         KSSL_CTX *kctx;
2091 #endif
2092         struct timeval timeout;
2093 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2094         struct timeval tv;
2095 #else
2096         struct timeval *timeoutp;
2097 #endif
2098
2099         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2100                 {
2101                 BIO_printf(bio_err,"out of memory\n");
2102                 goto err;
2103                 }
2104 #ifdef FIONBIO
2105         if (s_nbio)
2106                 {
2107                 unsigned long sl=1;
2108
2109                 if (!s_quiet)
2110                         BIO_printf(bio_err,"turning on non blocking io\n");
2111                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2112                         ERR_print_errors(bio_err);
2113                 }
2114 #endif
2115
2116         if (con == NULL) {
2117                 con=SSL_new(ctx);
2118 #ifndef OPENSSL_NO_TLSEXT
2119         if (s_tlsextdebug)
2120                 {
2121                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2122                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2123                 }
2124         if (s_tlsextstatus)
2125                 {
2126                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2127                 tlscstatp.err = bio_err;
2128                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2129                 }
2130 #endif
2131 #ifndef OPENSSL_NO_KRB5
2132                 if ((kctx = kssl_ctx_new()) != NULL)
2133                         {
2134                         SSL_set0_kssl_ctx(con, kctx);
2135                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2136                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2137                         }
2138 #endif  /* OPENSSL_NO_KRB5 */
2139                 if(context)
2140                       SSL_set_session_id_context(con, context,
2141                                                  strlen((char *)context));
2142         }
2143         SSL_clear(con);
2144 #if 0
2145 #ifdef TLSEXT_TYPE_opaque_prf_input
2146         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2147 #endif
2148 #endif
2149
2150         if (SSL_version(con) == DTLS1_VERSION)
2151                 {
2152
2153                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2154
2155                 if (enable_timeouts)
2156                         {
2157                         timeout.tv_sec = 0;
2158                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2159                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2160
2161                         timeout.tv_sec = 0;
2162                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2163                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2164                         }
2165
2166                 if (socket_mtu > 28)
2167                         {
2168                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2169                         SSL_set_mtu(con, socket_mtu - 28);
2170                         }
2171                 else
2172                         /* want to do MTU discovery */
2173                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2174
2175         /* turn on cookie exchange */
2176         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2177                 }
2178         else
2179                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2180
2181         if (s_nbio_test)
2182                 {
2183                 BIO *test;
2184
2185                 test=BIO_new(BIO_f_nbio_test());
2186                 sbio=BIO_push(test,sbio);
2187                 }
2188 #ifndef OPENSSL_NO_JPAKE
2189         if(jpake_secret)
2190                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2191 #endif
2192
2193         SSL_set_bio(con,sbio,sbio);
2194         SSL_set_accept_state(con);
2195         /* SSL_set_fd(con,s); */
2196
2197         if (s_debug)
2198                 {
2199                 SSL_set_debug(con, 1);
2200                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2201                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2202                 }
2203         if (s_msg)
2204                 {
2205                 SSL_set_msg_callback(con, msg_cb);
2206                 SSL_set_msg_callback_arg(con, bio_s_out);
2207                 }
2208 #ifndef OPENSSL_NO_TLSEXT
2209         if (s_tlsextdebug)
2210                 {
2211                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2212                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2213                 }
2214 #endif
2215
2216         width=s+1;
2217         for (;;)
2218                 {
2219                 int read_from_terminal;
2220                 int read_from_sslcon;
2221
2222                 read_from_terminal = 0;
2223                 read_from_sslcon = SSL_pending(con);
2224
2225                 if (!read_from_sslcon)
2226                         {
2227                         FD_ZERO(&readfds);
2228 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2229                         openssl_fdset(fileno(stdin),&readfds);
2230 #endif
2231                         openssl_fdset(s,&readfds);
2232                         /* Note: under VMS with SOCKETSHR the second parameter is
2233                          * currently of type (int *) whereas under other systems
2234                          * it is (void *) if you don't have a cast it will choke
2235                          * the compiler: if you do have a cast then you can either
2236                          * go for (int *) or (void *).
2237                          */
2238 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2239                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2240                          * on sockets. As a workaround we timeout the select every
2241                          * second and check for any keypress. In a proper Windows
2242                          * application we wouldn't do this because it is inefficient.
2243                          */
2244                         tv.tv_sec = 1;
2245                         tv.tv_usec = 0;
2246                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2247                         if((i < 0) || (!i && !_kbhit() ) )continue;
2248                         if(_kbhit())
2249                                 read_from_terminal = 1;
2250 #elif defined(OPENSSL_SYS_BEOS_R5)
2251                         /* Under BeOS-R5 the situation is similar to DOS */
2252                         tv.tv_sec = 1;
2253                         tv.tv_usec = 0;
2254                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2255                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2256                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2257                                 continue;
2258                         if (read(fileno(stdin), buf, 0) >= 0)
2259                                 read_from_terminal = 1;
2260                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2261 #else
2262                         if ((SSL_version(con) == DTLS1_VERSION) &&
2263                                 DTLSv1_get_timeout(con, &timeout))
2264                                 timeoutp = &timeout;
2265                         else
2266                                 timeoutp = NULL;
2267
2268                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2269
2270                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2271                                 {
2272                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2273                                 }
2274
2275                         if (i <= 0) continue;
2276                         if (FD_ISSET(fileno(stdin),&readfds))
2277                                 read_from_terminal = 1;
2278 #endif
2279                         if (FD_ISSET(s,&readfds))
2280                                 read_from_sslcon = 1;
2281                         }
2282                 if (read_from_terminal)
2283                         {
2284                         if (s_crlf)
2285                                 {
2286                                 int j, lf_num;
2287
2288                                 i=raw_read_stdin(buf, bufsize/2);
2289                                 lf_num = 0;
2290                                 /* both loops are skipped when i <= 0 */
2291                                 for (j = 0; j < i; j++)
2292                                         if (buf[j] == '\n')
2293                                                 lf_num++;
2294                                 for (j = i-1; j >= 0; j--)
2295                                         {
2296                                         buf[j+lf_num] = buf[j];
2297                                         if (buf[j] == '\n')
2298                                                 {
2299                                                 lf_num--;
2300                                                 i++;
2301                                                 buf[j+lf_num] = '\r';
2302                                                 }
2303                                         }
2304                                 assert(lf_num == 0);
2305                                 }
2306                         else
2307                                 i=raw_read_stdin(buf,bufsize);
2308                         if (!s_quiet)
2309                                 {
2310                                 if ((i <= 0) || (buf[0] == 'Q'))
2311                                         {
2312                                         BIO_printf(bio_s_out,"DONE\n");
2313                                         SHUTDOWN(s);
2314                                         close_accept_socket();
2315                                         ret= -11;
2316                                         goto err;
2317                                         }
2318                                 if ((i <= 0) || (buf[0] == 'q'))
2319                                         {
2320                                         BIO_printf(bio_s_out,"DONE\n");
2321                                         if (SSL_version(con) != DTLS1_VERSION)
2322                         SHUTDOWN(s);
2323         /*                              close_accept_socket();
2324                                         ret= -11;*/
2325                                         goto err;
2326                                         }
2327
2328 #ifndef OPENSSL_NO_HEARTBEATS
2329                                 if ((buf[0] == 'B') &&
2330                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2331                                         {
2332                                         BIO_printf(bio_err,"HEARTBEATING\n");
2333                                         SSL_heartbeat(con);
2334                                         i=0;
2335                                         continue;
2336                                         }
2337 #endif
2338                                 if ((buf[0] == 'r') &&
2339                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2340                                         {
2341                                         SSL_renegotiate(con);
2342                                         i=SSL_do_handshake(con);
2343                                         printf("SSL_do_handshake -> %d\n",i);
2344                                         i=0; /*13; */
2345                                         continue;
2346                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2347                                         }
2348                                 if ((buf[0] == 'R') &&
2349                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2350                                         {
2351                                         SSL_set_verify(con,
2352                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2353                                         SSL_renegotiate(con);
2354                                         i=SSL_do_handshake(con);
2355                                         printf("SSL_do_handshake -> %d\n",i);
2356                                         i=0; /* 13; */
2357                                         continue;
2358                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2359                                         }
2360                                 if (buf[0] == 'P')
2361                                         {
2362                                         static const char *str="Lets print some clear text\n";
2363                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2364                                         }
2365                                 if (buf[0] == 'S')
2366                                         {
2367                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2368                                         }
2369                                 }
2370 #ifdef CHARSET_EBCDIC
2371                         ebcdic2ascii(buf,buf,i);
2372 #endif
2373                         l=k=0;
2374                         for (;;)
2375                                 {
2376                                 /* should do a select for the write */
2377 #ifdef RENEG
2378 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2379 #endif
2380                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2381 #ifndef OPENSSL_NO_SRP
2382                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2383                                         {
2384                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2385                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2386                                         if (srp_callback_parm.user)
2387                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2388                                         else
2389                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2390                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2391                                         }
2392 #endif
2393                                 switch (SSL_get_error(con,k))
2394                                         {
2395                                 case SSL_ERROR_NONE:
2396                                         break;
2397                                 case SSL_ERROR_WANT_WRITE:
2398                                 case SSL_ERROR_WANT_READ:
2399                                 case SSL_ERROR_WANT_X509_LOOKUP:
2400                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2401                                         break;
2402                                 case SSL_ERROR_SYSCALL:
2403                                 case SSL_ERROR_SSL:
2404                                         BIO_printf(bio_s_out,"ERROR\n");
2405                                         ERR_print_errors(bio_err);
2406                                         ret=1;
2407                                         goto err;
2408                                         /* break; */
2409                                 case SSL_ERROR_ZERO_RETURN:
2410                                         BIO_printf(bio_s_out,"DONE\n");
2411                                         ret=1;
2412                                         goto err;
2413                                         }
2414                                 l+=k;
2415                                 i-=k;
2416                                 if (i <= 0) break;
2417                                 }
2418                         }
2419                 if (read_from_sslcon)
2420                         {
2421                         if (!SSL_is_init_finished(con))
2422                                 {
2423                                 i=init_ssl_connection(con);
2424
2425                                 if (i < 0)
2426                                         {
2427                                         ret=0;
2428                                         goto err;
2429                                         }
2430                                 else if (i == 0)
2431                                         {
2432                                         ret=1;
2433                                         goto err;
2434                                         }
2435                                 }
2436                         else
2437                                 {
2438 again:
2439                                 i=SSL_read(con,(char *)buf,bufsize);
2440 #ifndef OPENSSL_NO_SRP
2441                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2442                                         {
2443                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2444                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2445                                         if (srp_callback_parm.user)
2446                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2447                                         else
2448                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2449                                         i=SSL_read(con,(char *)buf,bufsize);
2450                                         }
2451 #endif
2452                                 switch (SSL_get_error(con,i))
2453                                         {
2454                                 case SSL_ERROR_NONE:
2455 #ifdef CHARSET_EBCDIC
2456                                         ascii2ebcdic(buf,buf,i);
2457 #endif
2458                                         raw_write_stdout(buf,
2459                                                 (unsigned int)i);
2460                                         if (SSL_pending(con)) goto again;
2461                                         break;
2462                                 case SSL_ERROR_WANT_WRITE:
2463                                 case SSL_ERROR_WANT_READ:
2464                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2465                                         break;
2466                                 case SSL_ERROR_SYSCALL:
2467                                 case SSL_ERROR_SSL:
2468                                         BIO_printf(bio_s_out,"ERROR\n");
2469                                         ERR_print_errors(bio_err);
2470                                         ret=1;
2471                                         goto err;
2472                                 case SSL_ERROR_ZERO_RETURN:
2473                                         BIO_printf(bio_s_out,"DONE\n");
2474                                         ret=1;
2475                                         goto err;
2476                                         }
2477                                 }
2478                         }
2479                 }
2480 err:
2481         if (con != NULL)
2482                 {
2483                 BIO_printf(bio_s_out,"shutting down SSL\n");
2484 #if 1
2485                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2486 #else
2487                 SSL_shutdown(con);
2488 #endif
2489                 SSL_free(con);
2490                 }
2491         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2492         if (buf != NULL)
2493                 {
2494                 OPENSSL_cleanse(buf,bufsize);
2495                 OPENSSL_free(buf);
2496                 }
2497         if (ret >= 0)
2498                 BIO_printf(bio_s_out,"ACCEPT\n");
2499         return(ret);
2500         }
2501
2502 static void close_accept_socket(void)
2503         {
2504         BIO_printf(bio_err,"shutdown accept socket\n");
2505         if (accept_socket >= 0)
2506                 {
2507                 SHUTDOWN2(accept_socket);
2508                 }
2509         }
2510
2511 static int init_ssl_connection(SSL *con)
2512         {
2513         int i;
2514         const char *str;
2515         X509 *peer;
2516         long verify_error;
2517         MS_STATIC char buf[BUFSIZ];
2518 #ifndef OPENSSL_NO_KRB5
2519         char *client_princ;
2520 #endif
2521 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2522         const unsigned char *next_proto_neg;
2523         unsigned next_proto_neg_len;
2524 #endif
2525         unsigned char *exportedkeymat;
2526
2527
2528         i=SSL_accept(con);
2529 #ifndef OPENSSL_NO_SRP
2530         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2531                 {
2532                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2533                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2534                         if (srp_callback_parm.user)
2535                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2536                         else
2537                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2538                         i=SSL_accept(con);
2539                 }
2540 #endif
2541         if (i <= 0)
2542                 {
2543                 if (BIO_sock_should_retry(i))
2544                         {
2545                         BIO_printf(bio_s_out,"DELAY\n");
2546                         return(1);
2547                         }
2548
2549                 BIO_printf(bio_err,"ERROR\n");
2550                 verify_error=SSL_get_verify_result(con);
2551                 if (verify_error != X509_V_OK)
2552                         {
2553                         BIO_printf(bio_err,"verify error:%s\n",
2554                                 X509_verify_cert_error_string(verify_error));
2555                         }
2556                 else
2557                         ERR_print_errors(bio_err);
2558                 return(0);
2559                 }
2560
2561         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2562
2563         peer=SSL_get_peer_certificate(con);
2564         if (peer != NULL)
2565                 {
2566                 BIO_printf(bio_s_out,"Client certificate\n");
2567                 PEM_write_bio_X509(bio_s_out,peer);
2568                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2569                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2570                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2571                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2572                 X509_free(peer);
2573                 }
2574
2575         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2576                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2577         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2578         ssl_print_sigalgs(bio_s_out, con);
2579         ssl_print_curves(bio_s_out, con);
2580         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2581
2582 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2583         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2584         if (next_proto_neg)
2585                 {
2586                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2587                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2588                 BIO_printf(bio_s_out, "\n");
2589                 }
2590 #endif
2591         {
2592         SRTP_PROTECTION_PROFILE *srtp_profile
2593           = SSL_get_selected_srtp_profile(con);
2594
2595         if(srtp_profile)
2596                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2597                            srtp_profile->name);
2598         }
2599         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2600         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2601                 TLS1_FLAGS_TLS_PADDING_BUG)
2602                 BIO_printf(bio_s_out,
2603                            "Peer has incorrect TLSv1 block padding\n");
2604 #ifndef OPENSSL_NO_KRB5
2605         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2606         if (client_princ != NULL)
2607                 {
2608                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2609                                                                 client_princ);
2610                 }
2611 #endif /* OPENSSL_NO_KRB5 */
2612         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2613                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2614         if (keymatexportlabel != NULL)
2615                 {
2616                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2617                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2618                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2619                            keymatexportlen);
2620                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2621                 if (exportedkeymat != NULL)
2622                         {
2623                         if (!SSL_export_keying_material(con, exportedkeymat,
2624                                                         keymatexportlen,
2625                                                         keymatexportlabel,
2626                                                         strlen(keymatexportlabel),
2627                                                         NULL, 0, 0))
2628                                 {
2629                                 BIO_printf(bio_s_out, "    Error\n");
2630                                 }
2631                         else
2632                                 {
2633                                 BIO_printf(bio_s_out, "    Keying material: ");
2634                                 for (i=0; i<keymatexportlen; i++)
2635                                         BIO_printf(bio_s_out, "%02X",
2636                                                    exportedkeymat[i]);
2637                                 BIO_printf(bio_s_out, "\n");
2638                                 }
2639                         OPENSSL_free(exportedkeymat);
2640                         }
2641                 }
2642
2643         return(1);
2644         }
2645
2646 #ifndef OPENSSL_NO_DH
2647 static DH *load_dh_param(const char *dhfile)
2648         {
2649         DH *ret=NULL;
2650         BIO *bio;
2651
2652         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2653                 goto err;
2654         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2655 err:
2656         if (bio != NULL) BIO_free(bio);
2657         return(ret);
2658         }
2659 #endif
2660 #ifndef OPENSSL_NO_KRB5
2661         char *client_princ;
2662 #endif
2663
2664 #if 0
2665 static int load_CA(SSL_CTX *ctx, char *file)
2666         {
2667         FILE *in;
2668         X509 *x=NULL;
2669
2670         if ((in=fopen(file,"r")) == NULL)
2671                 return(0);
2672
2673         for (;;)
2674                 {
2675                 if (PEM_read_X509(in,&x,NULL) == NULL)
2676                         break;
2677                 SSL_CTX_add_client_CA(ctx,x);
2678                 }
2679         if (x != NULL) X509_free(x);
2680         fclose(in);
2681         return(1);
2682         }
2683 #endif
2684
2685 static int www_body(char *hostname, int s, unsigned char *context)
2686         {
2687         char *buf=NULL;
2688         int ret=1;
2689         int i,j,k,dot;
2690         SSL *con;
2691         const SSL_CIPHER *c;
2692         BIO *io,*ssl_bio,*sbio;
2693 #ifndef OPENSSL_NO_KRB5
2694         KSSL_CTX *kctx;
2695 #endif
2696
2697         buf=OPENSSL_malloc(bufsize);
2698         if (buf == NULL) return(0);
2699         io=BIO_new(BIO_f_buffer());
2700         ssl_bio=BIO_new(BIO_f_ssl());
2701         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2702
2703 #ifdef FIONBIO
2704         if (s_nbio)
2705                 {
2706                 unsigned long sl=1;
2707
2708                 if (!s_quiet)
2709                         BIO_printf(bio_err,"turning on non blocking io\n");
2710                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2711                         ERR_print_errors(bio_err);
2712                 }
2713 #endif
2714
2715         /* lets make the output buffer a reasonable size */
2716         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2717
2718         if ((con=SSL_new(ctx)) == NULL) goto err;
2719 #ifndef OPENSSL_NO_TLSEXT
2720                 if (s_tlsextdebug)
2721                         {
2722                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2723                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2724                         }
2725 #endif
2726 #ifndef OPENSSL_NO_KRB5
2727         if ((kctx = kssl_ctx_new()) != NULL)
2728                 {
2729                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2730                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2731                 }
2732 #endif  /* OPENSSL_NO_KRB5 */
2733         if(context) SSL_set_session_id_context(con, context,
2734                                                strlen((char *)context));
2735
2736         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2737         if (s_nbio_test)
2738                 {
2739                 BIO *test;
2740
2741                 test=BIO_new(BIO_f_nbio_test());
2742                 sbio=BIO_push(test,sbio);
2743                 }
2744         SSL_set_bio(con,sbio,sbio);
2745         SSL_set_accept_state(con);
2746
2747         /* SSL_set_fd(con,s); */
2748         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2749         BIO_push(io,ssl_bio);
2750 #ifdef CHARSET_EBCDIC
2751         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2752 #endif
2753
2754         if (s_debug)
2755                 {
2756                 SSL_set_debug(con, 1);
2757                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2758                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2759                 }
2760         if (s_msg)
2761                 {
2762                 SSL_set_msg_callback(con, msg_cb);
2763                 SSL_set_msg_callback_arg(con, bio_s_out);
2764                 }
2765
2766         for (;;)
2767                 {
2768                 if (hack)
2769                         {
2770                         i=SSL_accept(con);
2771 #ifndef OPENSSL_NO_SRP
2772                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2773                 {
2774                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2775                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2776                         if (srp_callback_parm.user)
2777                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2778                         else
2779                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2780                         i=SSL_accept(con);
2781                 }
2782 #endif
2783                         switch (SSL_get_error(con,i))
2784                                 {
2785                         case SSL_ERROR_NONE:
2786                                 break;
2787                         case SSL_ERROR_WANT_WRITE:
2788                         case SSL_ERROR_WANT_READ:
2789                         case SSL_ERROR_WANT_X509_LOOKUP:
2790                                 continue;
2791                         case SSL_ERROR_SYSCALL:
2792                         case SSL_ERROR_SSL:
2793                         case SSL_ERROR_ZERO_RETURN:
2794                                 ret=1;
2795                                 goto err;
2796                                 /* break; */
2797                                 }
2798
2799                         SSL_renegotiate(con);
2800                         SSL_write(con,NULL,0);
2801                         }
2802
2803                 i=BIO_gets(io,buf,bufsize-1);
2804                 if (i < 0) /* error */
2805                         {
2806                         if (!BIO_should_retry(io))
2807                                 {
2808                                 if (!s_quiet)
2809                                         ERR_print_errors(bio_err);
2810                                 goto err;
2811                                 }
2812                         else
2813                                 {
2814                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2815 #if defined(OPENSSL_SYS_NETWARE)
2816             delay(1000);
2817 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2818                                 sleep(1);
2819 #endif
2820                                 continue;
2821                                 }
2822                         }
2823                 else if (i == 0) /* end of input */
2824                         {
2825                         ret=1;
2826                         goto end;
2827                         }
2828
2829                 /* else we have data */
2830                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2831                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2832                         {
2833                         char *p;
2834                         X509 *peer;
2835                         STACK_OF(SSL_CIPHER) *sk;
2836                         static const char *space="                          ";
2837
2838                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2839                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2840                         BIO_puts(io,"<pre>\n");
2841 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2842                         BIO_puts(io,"\n");
2843                         for (i=0; i<local_argc; i++)
2844                                 {
2845                                 BIO_puts(io,local_argv[i]);
2846                                 BIO_write(io," ",1);
2847                                 }
2848                         BIO_puts(io,"\n");
2849
2850                         BIO_printf(io,
2851                                 "Secure Renegotiation IS%s supported\n",
2852                                 SSL_get_secure_renegotiation_support(con) ?
2853                                                         "" : " NOT");
2854
2855                         /* The following is evil and should not really
2856                          * be done */
2857                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2858                         sk=SSL_get_ciphers(con);
2859                         j=sk_SSL_CIPHER_num(sk);
2860                         for (i=0; i<j; i++)
2861                                 {
2862                                 c=sk_SSL_CIPHER_value(sk,i);
2863                                 BIO_printf(io,"%-11s:%-25s",
2864                                         SSL_CIPHER_get_version(c),
2865                                         SSL_CIPHER_get_name(c));
2866                                 if ((((i+1)%2) == 0) && (i+1 != j))
2867                                         BIO_puts(io,"\n");
2868                                 }
2869                         BIO_puts(io,"\n");
2870                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2871                         if (p != NULL)
2872                                 {
2873                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2874                                 j=i=0;
2875                                 while (*p)
2876                                         {
2877                                         if (*p == ':')
2878                                                 {
2879                                                 BIO_write(io,space,26-j);
2880                                                 i++;
2881                                                 j=0;
2882                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2883                                                 }
2884                                         else
2885                                                 {
2886                                                 BIO_write(io,p,1);
2887                                                 j++;
2888                                                 }
2889                                         p++;
2890                                         }
2891                                 BIO_puts(io,"\n");
2892                                 }
2893                         ssl_print_sigalgs(io, con);
2894                         ssl_print_curves(io, con);
2895                         BIO_printf(io,(SSL_cache_hit(con)
2896                                 ?"---\nReused, "
2897                                 :"---\nNew, "));
2898                         c=SSL_get_current_cipher(con);
2899                         BIO_printf(io,"%s, Cipher is %s\n",
2900                                 SSL_CIPHER_get_version(c),
2901                                 SSL_CIPHER_get_name(c));
2902                         SSL_SESSION_print(io,SSL_get_session(con));
2903                         BIO_printf(io,"---\n");
2904                         print_stats(io,SSL_get_SSL_CTX(con));
2905                         BIO_printf(io,"---\n");
2906                         peer=SSL_get_peer_certificate(con);
2907                         if (peer != NULL)
2908                                 {
2909                                 BIO_printf(io,"Client certificate\n");
2910                                 X509_print(io,peer);
2911                                 PEM_write_bio_X509(io,peer);
2912                                 }
2913                         else
2914                                 BIO_puts(io,"no client certificate available\n");
2915                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2916                         break;
2917                         }
2918                 else if ((www == 2 || www == 3)
2919                          && (strncmp("GET /",buf,5) == 0))
2920                         {
2921                         BIO *file;
2922                         char *p,*e;
2923                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2924
2925                         /* skip the '/' */
2926                         p= &(buf[5]);
2927
2928                         dot = 1;
2929                         for (e=p; *e != '\0'; e++)
2930                                 {
2931                                 if (e[0] == ' ')
2932                                         break;
2933
2934                                 switch (dot)
2935                                         {
2936                                 case 1:
2937                                         dot = (e[0] == '.') ? 2 : 0;
2938                                         break;
2939                                 case 2:
2940                                         dot = (e[0] == '.') ? 3 : 0;
2941                                         break;
2942                                 case 3:
2943                                         dot = (e[0] == '/') ? -1 : 0;
2944                                         break;
2945                                         }
2946                                 if (dot == 0)
2947                                         dot = (e[0] == '/') ? 1 : 0;
2948                                 }
2949                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2950
2951                         if (*e == '\0')
2952                                 {
2953                                 BIO_puts(io,text);
2954                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2955                                 break;
2956                                 }
2957                         *e='\0';
2958
2959                         if (dot)
2960                                 {
2961                                 BIO_puts(io,text);
2962                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2963                                 break;
2964                                 }
2965
2966                         if (*p == '/')
2967                                 {
2968                                 BIO_puts(io,text);
2969                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2970                                 break;
2971                                 }
2972
2973 #if 0
2974                         /* append if a directory lookup */
2975                         if (e[-1] == '/')
2976                                 strcat(p,"index.html");
2977 #endif
2978
2979                         /* if a directory, do the index thang */
2980                         if (app_isdir(p)>0)
2981                                 {
2982 #if 0 /* must check buffer size */
2983                                 strcat(p,"/index.html");
2984 #else
2985                                 BIO_puts(io,text);
2986                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2987                                 break;
2988 #endif
2989                                 }
2990
2991                         if ((file=BIO_new_file(p,"r")) == NULL)
2992                                 {
2993                                 BIO_puts(io,text);
2994                                 BIO_printf(io,"Error opening '%s'\r\n",p);
2995                                 ERR_print_errors(io);
2996                                 break;
2997                                 }
2998
2999                         if (!s_quiet)
3000                                 BIO_printf(bio_err,"FILE:%s\n",p);
3001
3002                         if (www == 2)
3003                                 {
3004                                 i=strlen(p);
3005                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3006                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3007                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3008                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3009                                 else
3010                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3011                                 }
3012                         /* send the file */
3013                         for (;;)
3014                                 {
3015                                 i=BIO_read(file,buf,bufsize);
3016                                 if (i <= 0) break;
3017
3018 #ifdef RENEG
3019                                 total_bytes+=i;
3020                                 fprintf(stderr,"%d\n",i);
3021                                 if (total_bytes > 3*1024)
3022                                         {
3023                                         total_bytes=0;
3024                                         fprintf(stderr,"RENEGOTIATE\n");
3025                                         SSL_renegotiate(con);
3026                                         }
3027 #endif
3028
3029                                 for (j=0; j<i; )
3030                                         {
3031 #ifdef RENEG
3032 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3033 #endif
3034                                         k=BIO_write(io,&(buf[j]),i-j);
3035                                         if (k <= 0)
3036                                                 {
3037                                                 if (!BIO_should_retry(io))
3038                                                         goto write_error;
3039                                                 else
3040                                                         {
3041                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3042                                                         }
3043                                                 }
3044                                         else
3045                                                 {
3046                                                 j+=k;
3047                                                 }
3048                                         }
3049                                 }
3050 write_error:
3051                         BIO_free(file);
3052                         break;
3053                         }
3054                 }
3055
3056         for (;;)
3057                 {
3058                 i=(int)BIO_flush(io);
3059                 if (i <= 0)
3060                         {
3061                         if (!BIO_should_retry(io))
3062                                 break;
3063                         }
3064                 else
3065                         break;
3066                 }
3067 end:
3068 #if 1
3069         /* make sure we re-use sessions */
3070         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3071 #else
3072         /* This kills performance */
3073 /*      SSL_shutdown(con); A shutdown gets sent in the
3074  *      BIO_free_all(io) procession */
3075 #endif
3076
3077 err:
3078
3079         if (ret >= 0)
3080                 BIO_printf(bio_s_out,"ACCEPT\n");
3081
3082         if (buf != NULL) OPENSSL_free(buf);
3083         if (io != NULL) BIO_free_all(io);
3084 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3085         return(ret);
3086         }
3087
3088 #ifndef OPENSSL_NO_RSA
3089 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3090         {
3091         BIGNUM *bn = NULL;
3092         static RSA *rsa_tmp=NULL;
3093
3094         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3095                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3096         if (!rsa_tmp && bn)
3097                 {
3098                 if (!s_quiet)
3099                         {
3100                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3101                         (void)BIO_flush(bio_err);
3102                         }
3103                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3104                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3105                         {
3106                         if(rsa_tmp) RSA_free(rsa_tmp);
3107                         rsa_tmp = NULL;
3108                         }
3109                 if (!s_quiet)
3110                         {
3111                         BIO_printf(bio_err,"\n");
3112                         (void)BIO_flush(bio_err);
3113                         }
3114                 BN_free(bn);
3115                 }
3116         return(rsa_tmp);
3117         }
3118 #endif
3119
3120 #define MAX_SESSION_ID_ATTEMPTS 10
3121 static int generate_session_id(const SSL *ssl, unsigned char *id,
3122                                 unsigned int *id_len)
3123         {
3124         unsigned int count = 0;
3125         do      {
3126                 RAND_pseudo_bytes(id, *id_len);
3127                 /* Prefix the session_id with the required prefix. NB: If our
3128                  * prefix is too long, clip it - but there will be worse effects
3129                  * anyway, eg. the server could only possibly create 1 session
3130                  * ID (ie. the prefix!) so all future session negotiations will
3131                  * fail due to conflicts. */
3132                 memcpy(id, session_id_prefix,
3133                         (strlen(session_id_prefix) < *id_len) ?
3134                         strlen(session_id_prefix) : *id_len);
3135                 }
3136         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3137                 (++count < MAX_SESSION_ID_ATTEMPTS));
3138         if(count >= MAX_SESSION_ID_ATTEMPTS)
3139                 return 0;
3140         return 1;
3141         }